Republique du Cameroun, Banque des Etats de l'Afrique Centrale, ERROR 10000 francs, ND (1984), prefix J.004, green and multicoloured, girl and fronds at right, M'ba and Tchepannou signatures, (Pick 23a, TBB B409a), in PMG holder 66 EPQ GEM UNCIRCULATED. Part of another note superimposed as mirror image, most unusual and rare.
Estimate: £250 - £300